1644114054052 has 6 divisors (see below), whose sum is σ = 2877199594598. Its totient is φ = 822057027024.

The previous prime is 1644114053963. The next prime is 1644114054101. The reversal of 1644114054052 is 2504504114461.

It can be written as a sum of positive squares in only one way, i.e., 1307834683236 + 336279370816 = 1143606^2 + 579896^2 .

It is a super-3 number, since 3×1644114054052³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205514256753 + ... + 205514256760.

Almost surely, 2^{1644114054052} is an apocalyptic number.

It is an amenable number.

1644114054052 is a deficient number, since it is larger than the sum of its proper divisors (1233085540546).

1644114054052 is a wasteful number, since it uses less digits than its factorization.

1644114054052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411028513517 (or 411028513515 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The spelling of 1644114054052 in words is "one trillion, six hundred forty-four billion, one hundred fourteen million, fifty-four thousand, fifty-two".